rollouts/lua_configuration/trafficrouting_ingress/mse.lua

66 lines
2.5 KiB
Lua

function split(input, delimiter)
local arr = {}
string.gsub(input, '[^' .. delimiter ..']+', function(w) table.insert(arr, w) end)
return arr
end
annotations = obj.annotations
annotations["nginx.ingress.kubernetes.io/canary"] = "true"
annotations["nginx.ingress.kubernetes.io/canary-by-cookie"] = nil
annotations["nginx.ingress.kubernetes.io/canary-by-header"] = nil
annotations["nginx.ingress.kubernetes.io/canary-by-header-pattern"] = nil
annotations["nginx.ingress.kubernetes.io/canary-by-header-value"] = nil
-- MSE extended annotations
annotations["mse.ingress.kubernetes.io/canary-by-query"] = nil
annotations["mse.ingress.kubernetes.io/canary-by-query-pattern"] = nil
annotations["mse.ingress.kubernetes.io/canary-by-query-value"] = nil
annotations["nginx.ingress.kubernetes.io/canary-weight"] = nil
if ( obj.weight ~= "-1" )
then
annotations["nginx.ingress.kubernetes.io/canary-weight"] = obj.weight
end
if ( annotations["mse.ingress.kubernetes.io/service-subset"] )
then
annotations["mse.ingress.kubernetes.io/service-subset"] = "gray"
end
if ( obj.requestHeaderModifier )
then
local str = ''
for _,header in ipairs(obj.requestHeaderModifier.set) do
str = str..string.format("%s %s", header.name, header.value)
end
annotations["mse.ingress.kubernetes.io/request-header-control-update"] = str
end
if ( not obj.matches )
then
return annotations
end
for _,match in ipairs(obj.matches) do
if match.headers and next(match.headers) ~= nil then
header = match.headers[1]
if ( header.name == "canary-by-cookie" )
then
annotations["nginx.ingress.kubernetes.io/canary-by-cookie"] = header.value
else
annotations["nginx.ingress.kubernetes.io/canary-by-header"] = header.name
if ( header.type == "RegularExpression" )
then
annotations["nginx.ingress.kubernetes.io/canary-by-header-pattern"] = header.value
else
annotations["nginx.ingress.kubernetes.io/canary-by-header-value"] = header.value
end
end
end
if match.queryParams and next(match.queryParams) ~= nil then
queryParam = match.queryParams[1]
annotations["nginx.ingress.kubernetes.io/canary-by-query"] = queryParam.name
if ( queryParam.type == "RegularExpression" )
then
annotations["nginx.ingress.kubernetes.io/canary-by-query-pattern"] = queryParam.value
else
annotations["nginx.ingress.kubernetes.io/canary-by-query-value"] = queryParam.value
end
end
end
return annotations